Portable DVD player reviews?

I have to buy a portable DVD player and looking for your help guys. I have to find a better device with the help of your advice so please post your comments and try to convey something latest details. I would be presenting it as birthday gift to my wife on her thirty first birthdays. So guys, it must be unique. I am looking for a portable DVD player reviews. I have seen a LG portable DVD player review on internet and found very useful. It was LG DP781, so please post your comments for the device. Thanks.